ch 12 Herons Formula basics #mathematics #class9th #cbseexams #cbsenotes #cbse #heronsformula

The perimeter of an isosceles triangle is 30cm and each of the equal sides measures 12cm. Find the area of the triangle by using Heron's formula.

NCERT Updates - Class 12th

NCERT Updates - Class 12th

The percentage of marks obtained in Mathematics by a student of class 9 th in monthly unit tests is given below,

Comprehension: In a class of 25 students of Mathematics and Computer Science, 12 students have taken Mathematics. Out of this, 8 have taken Mathematics but not Computer Science. What is the number of students who have taken Computer Science but not Mathematics?

Class 12th Start Date

Introduction OF class-9th foundation course

Basic Mathematics|Calculus|Integral Calculus|Important Formulae|Practice Exercise|Summary

Class 12th 75% Criteria update